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396 lines
10 KiB
396 lines
10 KiB
/****************************************************************************
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**
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** Definition of TQVariant class
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**
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** Created : 990414
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQVARIANT_H
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#define TQVARIANT_H
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#ifndef QT_H
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#include "ntqmap.h"
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#include "ntqstring.h"
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#include "ntqstringlist.h"
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#include "ntqvaluelist.h"
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#endif // QT_H
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#ifndef TQT_NO_VARIANT
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class TQString;
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class TQCString;
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class TQFont;
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class TQPixmap;
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class TQBrush;
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class TQRect;
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class TQPoint;
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class TQImage;
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class TQSize;
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class TQColor;
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class TQPalette;
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class TQColorGroup;
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class TQIconSet;
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class TQDataStream;
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class TQPointArray;
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class TQRegion;
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class TQBitmap;
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class TQCursor;
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class TQStringList;
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class TQSizePolicy;
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class TQDate;
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class TQTime;
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class TQDateTime;
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class TQBitArray;
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class TQKeySequence;
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class TQPen;
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// Some headers rejected after TQVariant declaration for GCC 2.7.* compatibility
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class TQVariant;
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#ifndef TQT_NO_TEMPLATE_VARIANT
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template <class T> class TQValueList;
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template <class T> class TQValueListConstIterator;
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template <class T> class TQValueListNode;
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template <class Key, class T> class TQMap;
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template <class Key, class T> class TQMapConstIterator;
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typedef TQMap<TQString, TQVariant> TQStringVariantMap;
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typedef TQMapIterator<TQString, TQVariant> TQStringVariantMapIterator;
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typedef TQMapConstIterator<TQString, TQVariant> TQStringVariantMapConstIterator;
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#endif
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class TQ_EXPORT TQVariant
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{
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public:
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enum Type {
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Invalid,
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Map,
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List,
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String,
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StringList,
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Font,
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Pixmap,
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Brush,
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Rect,
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Size,
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Color,
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Palette,
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ColorGroup,
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IconSet,
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Point,
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Image,
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Int,
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UInt,
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Bool,
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Double,
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CString,
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PointArray,
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Region,
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Bitmap,
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Cursor,
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SizePolicy,
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Date,
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Time,
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DateTime,
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ByteArray,
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BitArray,
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KeySequence,
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Pen,
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LongLong,
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ULongLong
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};
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TQVariant();
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~TQVariant();
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TQVariant( const TQVariant& );
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#ifndef TQT_NO_DATASTREAM
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TQVariant( TQDataStream& s );
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#endif
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TQVariant( const TQString& );
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TQVariant( const TQCString& );
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TQVariant( const char* );
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#ifndef TQT_NO_STRINGLIST
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TQVariant( const TQStringList& );
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#endif
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TQVariant( const TQFont& );
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TQVariant( const TQPixmap& );
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TQVariant( const TQImage& );
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TQVariant( const TQBrush& );
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TQVariant( const TQPoint& );
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TQVariant( const TQRect& );
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TQVariant( const TQSize& );
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TQVariant( const TQColor& );
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TQVariant( const TQPalette& );
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TQVariant( const TQColorGroup& );
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TQVariant( const TQIconSet& );
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TQVariant( const TQPointArray& );
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TQVariant( const TQRegion& );
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TQVariant( const TQBitmap& );
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TQVariant( const TQCursor& );
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TQVariant( const TQDate& );
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TQVariant( const TQTime& );
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TQVariant( const TQDateTime& );
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TQVariant( const TQByteArray& );
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TQVariant( const TQBitArray& );
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#ifndef TQT_NO_ACCEL
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TQVariant( const TQKeySequence& );
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#endif
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TQVariant( const TQPen& );
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#ifndef TQT_NO_TEMPLATE_VARIANT
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TQVariant( const TQValueList<TQVariant>& );
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TQVariant( const TQMap<TQString,TQVariant>& );
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#endif
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TQVariant( int );
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TQVariant( uint );
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TQVariant( TQ_LLONG );
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TQVariant( TQ_ULLONG );
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TQVariant( bool );
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TQVariant( double );
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TQVariant( TQSizePolicy );
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TQVariant& operator= ( const TQVariant& );
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bool operator==( const TQVariant& ) const;
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bool operator!=( const TQVariant& ) const;
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Type type() const;
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const char* typeName() const;
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bool canCast( Type ) const;
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bool cast( Type );
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bool isValid() const;
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bool isNull() const;
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void clear();
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const TQString toString() const;
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const TQCString toCString() const;
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#ifndef TQT_NO_STRINGLIST
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const TQStringList toStringList() const;
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#endif
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const TQFont toFont() const;
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const TQPixmap toPixmap() const;
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const TQImage toImage() const;
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const TQBrush toBrush() const;
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const TQPoint toPoint() const;
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const TQRect toRect() const;
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const TQSize toSize() const;
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const TQColor toColor() const;
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const TQPalette toPalette() const;
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const TQColorGroup toColorGroup() const;
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const TQIconSet toIconSet() const;
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const TQPointArray toPointArray() const;
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const TQBitmap toBitmap() const;
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const TQRegion toRegion() const;
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const TQCursor toCursor() const;
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const TQDate toDate() const;
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const TQTime toTime() const;
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const TQDateTime toDateTime() const;
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const TQByteArray toByteArray() const;
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const TQBitArray toBitArray() const;
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#ifndef TQT_NO_ACCEL
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const TQKeySequence toKeySequence() const;
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#endif
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const TQPen toPen() const;
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int toInt( bool * ok=0 ) const;
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uint toUInt( bool * ok=0 ) const;
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TQ_LLONG toLongLong( bool * ok=0 ) const;
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TQ_ULLONG toULongLong( bool * ok=0 ) const;
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bool toBool() const;
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double toDouble( bool * ok=0 ) const;
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#ifndef TQT_NO_TEMPLATE_VARIANT
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const TQValueList<TQVariant> toList() const;
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const TQMap<TQString,TQVariant> toMap() const;
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#endif
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TQSizePolicy toSizePolicy() const;
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#ifndef TQT_NO_TEMPLATE_VARIANT
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TQValueListConstIterator<TQString> stringListBegin() const;
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TQValueListConstIterator<TQString> stringListEnd() const;
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TQValueListConstIterator<TQVariant> listBegin() const;
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TQValueListConstIterator<TQVariant> listEnd() const;
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TQMapConstIterator<TQString,TQVariant> mapBegin() const;
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TQMapConstIterator<TQString,TQVariant> mapEnd() const;
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TQMapConstIterator<TQString,TQVariant> mapFind( const TQString& ) const;
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#endif
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TQString& asString();
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TQCString& asCString();
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#ifndef TQT_NO_STRINGLIST
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TQStringList& asStringList();
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#endif
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TQFont& asFont();
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TQPixmap& asPixmap();
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TQImage& asImage();
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TQBrush& asBrush();
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TQPoint& asPoint();
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TQRect& asRect();
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TQSize& asSize();
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TQColor& asColor();
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TQPalette& asPalette();
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TQColorGroup& asColorGroup();
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TQIconSet& asIconSet();
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TQPointArray& asPointArray();
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TQBitmap& asBitmap();
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TQRegion& asRegion();
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TQCursor& asCursor();
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TQDate& asDate();
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TQTime& asTime();
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TQDateTime& asDateTime();
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TQByteArray& asByteArray();
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TQBitArray& asBitArray();
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#ifndef TQT_NO_ACCEL
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TQKeySequence& asKeySequence();
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#endif
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TQPen& asPen();
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int& asInt();
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uint& asUInt();
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TQ_LLONG& asLongLong();
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TQ_ULLONG& asULongLong();
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bool& asBool();
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double& asDouble();
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#ifndef TQT_NO_TEMPLATE_VARIANT
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TQValueList<TQVariant>& asList();
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TQMap<TQString,TQVariant>& asMap();
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#endif
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TQSizePolicy& asSizePolicy();
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#ifndef TQT_NO_DATASTREAM
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void load( TQDataStream& );
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void save( TQDataStream& ) const;
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#endif
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static const char* typeToName( Type typ );
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static Type nameToType( const char* name );
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private:
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void detach();
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class Private : public TQShared
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{
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public:
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Private();
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Private( Private* );
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~Private();
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void clear();
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Type typ;
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union
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{
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uint u;
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int i;
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TQ_LLONG ll;
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TQ_ULLONG ull;
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bool b;
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double d;
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void *ptr;
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} value;
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uint is_null : 1; // ## 4.0 merge with typ
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};
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Private* d;
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public:
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void* rawAccess( void* ptr = 0, Type typ = Invalid, bool deepCopy = FALSE );
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};
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inline TQVariant::Type TQVariant::type() const
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{
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return d->typ;
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}
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inline bool TQVariant::isValid() const
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{
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return (d->typ != Invalid);
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}
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#ifndef TQT_NO_TEMPLATE_VARIANT
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inline TQValueListConstIterator<TQString> TQVariant::stringListBegin() const
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{
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if ( d->typ != StringList )
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return TQValueListConstIterator<TQString>();
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return ((const TQStringList*)d->value.ptr)->begin();
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}
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inline TQValueListConstIterator<TQString> TQVariant::stringListEnd() const
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{
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if ( d->typ != StringList )
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return TQValueListConstIterator<TQString>();
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return ((const TQStringList*)d->value.ptr)->end();
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}
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inline TQValueListConstIterator<TQVariant> TQVariant::listBegin() const
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{
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if ( d->typ != List )
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return TQValueListConstIterator<TQVariant>();
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return ((const TQValueList<TQVariant>*)d->value.ptr)->begin();
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}
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inline TQValueListConstIterator<TQVariant> TQVariant::listEnd() const
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{
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if ( d->typ != List )
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return TQValueListConstIterator<TQVariant>();
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return ((const TQValueList<TQVariant>*)d->value.ptr)->end();
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}
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inline TQMapConstIterator<TQString,TQVariant> TQVariant::mapBegin() const
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{
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if ( d->typ != Map )
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return TQMapConstIterator<TQString,TQVariant>();
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return ((const TQMap<TQString,TQVariant>*)d->value.ptr)->begin();
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}
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inline TQMapConstIterator<TQString,TQVariant> TQVariant::mapEnd() const
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{
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if ( d->typ != Map )
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return TQMapConstIterator<TQString,TQVariant>();
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return ((const TQMap<TQString,TQVariant>*)d->value.ptr)->end();
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}
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inline TQMapConstIterator<TQString,TQVariant> TQVariant::mapFind( const TQString& key ) const
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{
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if ( d->typ != Map )
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return TQMapConstIterator<TQString,TQVariant>();
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return ((const TQMap<TQString,TQVariant>*)d->value.ptr)->find( key );
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}
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#endif
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#ifndef TQT_NO_DATASTREAM
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TQ_EXPORT TQDataStream& operator>> ( TQDataStream& s, TQVariant& p );
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TQ_EXPORT TQDataStream& operator<< ( TQDataStream& s, const TQVariant& p );
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TQ_EXPORT TQDataStream& operator>> ( TQDataStream& s, TQVariant::Type& p );
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TQ_EXPORT TQDataStream& operator<< ( TQDataStream& s, const TQVariant::Type p );
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#endif
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#endif //TQT_NO_VARIANT
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#endif // TQVARIANT_H
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